Jami` at-Tirmidhi 1970
جامع الترمذي#1970SahihJabir bin Abdullah narrated that the Messenger of Allah said:"Every good is charity. Indeed among the good is to meet your brother with a smiling face, and to pour what is left in your bucket into the vessel of your brother
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Bashar Awad MaaroufHasan Sahih
Zubair Ali ZaiSahih
In-book reference: 27:76